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One that syntonizes; specif., a device consisting essentially of a variable inductance coil and condenser with a pair of adjustable spark balls, for attuning the time periods of antennæ in wireless telegraphy (called also syntonizing coil).

whole of objects related by some common law, principle, or end; a complete exhibition of essential principles or facts, arranged in a rational dependence or connection; a regular union of principles or parts forming one entire thing; as, a system of philosophy; a system of government; a system of divinity; a system of…

An instrument consisting essentiallly of an iron bar to which are attached swabs, or bundles of frayed rope, or other similar substances, -- used to capture starfishes, sea urchins, and other similar creatures living at the bottom of the sea. Blue tangle. (Bot.)See Dangleberry. -- Tangle picker (Zoöl.), the turnstone.…

A heavy mineral of an iron-black color and submetallic luster. It is essentially a tantalate of iron.

A reddish crust or sediment in wine casks, consisting essentially of crude cream of tartar, and used in marking pure cream of tartar, tartaric acid, potassium carbonate, black flux, etc., and, in dyeing, as a mordant for woolen goods; -- called also argol, wine stone, etc.

ent for detecting or measuring minute extension or movements of solid bodies. It consists essentially of a small rod, disk, or button of carbon, forming part of an electrical circuit, the resistance of which, being varied by the changes of pressure produced by the movements of the object to be measured, causes variatio…

An instrument essentially the same as the telemetrograph.

A blackish lead-gray mineral, closely related to tetrahedrite. It is essentially a sulphide of arsenic and copper.

An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both.

d represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils.

One of the essential male genital glands which secrete the semen.

A device for circulating and cooling the air, consisting essentially of a kind of roasting fan fitted in a window and incased in wet tatties. [India]

The hypothetical radical C4H3S, regarded as the essential residue of thiophene and certain of its derivatives.

The hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as, thionyl chloride.

A mineral of a brown to black color, or, as in the variety orangite, orange-yellow. It is essentially a silicate of thorium.

operty (or Torrens) Act (act 15 of 1857-58), drafted by Sir Robert Torrens (1814-84). Its essential feature is the guaranty by the government of properly registered titles. The system has been generally adopted in Australia and British Columbia, and in its original or a modified form in some other countries, including…

An instrument for arresting hemorrhage. It consists essentially of a pad or compress upon which pressure is made by a band which is tightened by a screw or other means.

A stroke; a touch. By this single trait Homer makes an essential difference between the Iliad and Odyssey. Broome.

An apparatus for depositing and consolidating concrete under water, essentially a tube of wood or sheet metal with a hooperlike top. It is usually handled by a crane.

a. from Trim, v. The Whigs are, essentially, an inefficient, trimming, halfway sort of a party. Jeffrey. Trimming joist (Arch.), a joist into which timber trimmers are framed; a header. See Header. Knight.